| DISTANCE FROM FIRST GROOVE TO STEM END | 0.2498 INCHES NOMINAL |
| DISTANCE FROM SECOND GROOVE TO STEM END | 0.4926 INCHES MINIMUM AND 0.5126 INCHES MAXIMUM |
| CARBON RELIEF GROOVE | NOT INCLUDED |
| CHAMFER LENGTH | 0.0200 INCHES MINIMUM AND 0.0400 INCHES MAXIMUM |
| CHAMFER ANGLE IN DEG | 60.0 |
| FIRST GROOVE DIAMETER | 0.3020 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM |
| FIRST GROOVE WIDTH | 0.0625 INCHES NOMINAL |
| FSC APPLICATION DATA | DIESEL ENGINE |
| HEAD HEIGHT | 0.1490 INCHES MINIMUM AND 0.1640 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| OUTSIDE DIAMETER | 1.5250 INCHES MINIMUM AND 1.5350 INCHES MAXIMUM |
| METALLIC HARDNESS RATING | 40.0 MINIMUM ROCKWELL C AND 50.0 MAXIMUM ROCKWELL C HEAD |
| METALLIC HARDNESS RATING | 40.0 MINIMUM ROCKWELL C AND 50.0 MAXIMUM ROCKWELL C STEM |
| METALLIC HARDNESS RATING | 52.0 MINIMUM ROCKWELL C TIP |
| NECK RADIUS | 0.5500 INCHES MINIMUM AND 0.5700 INCHES MAXIMUM |
| SEAT ANGLE IN DEG | 30.0 SINGLE |
| SECOND GROOVE DIAMETER | 0.3020 INCHES MINIMUM AND 0.3080 INCHES MAXIMUM |
| SECOND GROOVE WIDTH | 0.0625 INCHES NOMINAL |
| STEM DIAMETER | 0.4020 INCHES MINIMUM AND 0.4030 INCHES MAXIMUM |
| STEM LENGTH | 5.9280 INCHES MINIMUM AND 6.0068 INCHES MAXIMUM |
| STEM STYLE | DOUBLE GROOVED |